thanks for you time BRUCE ! i apreciate it.
I cant download the firm form web ( fordtechservice.dealerconnection ), take a look my PCM , all we are DENSO because was build metalic case.
thanks
Seb
MAZDA_DENSO.rar

Perfect i apreciate that.
Only way to know if is crypto or not, is opened the ECU and see the MCU / MPC MicroProcesor?
If is Mitsubishi the MCU is not crypto
if is ???? the MCU is crypto
I readed in this post that 33M i assume is 31M that if the MCU is Mitsubishi thePCM cooming form Japan, realy true ?
If you can see my attached files , my cars cooming from USA, Tennessee
thanks in advance. Seb

Hi to all , i reade all post is so interesting.
I buyed Tactrix openport and the module 48 (MMFLASHER) for Skyactive mazda3 and mazda 6 2.0 and 2.5 engine. I attached the PCM´s pictures
I would like to know if ill can read , modify in winols and write , with re calculate the checksun.
thanks in advance.
Seb
skyact3_seb.rar